Question

write the general form of four type of reaction and explain with example

Answer 1

1)Combination reaction:The reaction in which two elements react together to form a single substance. example:C+O2---------- CO2
2) Decomposition reaction:The reaction in which a substance break down to form two elements is called decomposition reaction.
example :H2O ___electricity ___ H2+O2
3)Displacement reaction : The reaction in which highly reactive element displaces low reactive element from its Salt solution.
example :CuSO4+Zn______ ZnSO4+Cu
4) Double displacement reaction : The reaction in which reactant exchange their ions.
example :BaCl2+Na2SO4-----------BaSO4+NaCl